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Paper Abstract and Keywords
Presentation 2025-03-07 16:20
Frequency estimation of periodic motion using Wi-Fi channel state information
Ryohei Kameoka, Koichi Tokunaga, Kien Hguyen (Chiba Univ.), Jing Ma (Toyota Motor), Hiroo Sekiya, Shigeo Shioda (Chiba Univ.) CQ2024-115
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes a method for estimating the frequency of periodic motion, such as human respiration, using Wi-Fi channel state information. The method uses the discrete Fourier transform to detect periodic fluctuation components and estimates the frequency including the fundamental frequency. To improve the accuracy of periodic motion estimation,
we propose an algorithm that takes overtone components into account. We also describe a method for noise elimination by applying principal component analysis as data processing. Finally, the accuracy of the estimation method is verified through experiments using a metronome.
Keyword (in Japanese) (See Japanese page) 
(in English) Wi-Fi sensing / Channel state information / discrete Fourier transform / rate detection / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 404, CQ2024-115, pp. 134-139, March 2025.
Paper # CQ2024-115 
Date of Issue 2025-02-26 (CQ) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF CQ2024-115

Conference Information
Committee MVE CQ IMQ IE  
Conference Date 2025-03-05 - 2025-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2025-03-MVE-CQ-IMQ-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Frequency estimation of periodic motion using Wi-Fi channel state information 
Sub Title (in English)  
Keyword(1) Wi-Fi sensing  
Keyword(2) Channel state information  
Keyword(3) discrete Fourier transform  
Keyword(4) rate detection  
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1st Author's Name Ryohei Kameoka  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Koichi Tokunaga  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Kien Hguyen  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Jing Ma  
4th Author's Affiliation Toyota Motor Corporation (Toyota Motor)
5th Author's Name Hiroo Sekiya  
5th Author's Affiliation Chiba University (Chiba Univ.)
6th Author's Name Shigeo Shioda  
6th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2025-03-07 16:20:00 
Presentation Time 20 minutes 
Registration for CQ 
Paper # CQ2024-115 
Volume (vol) vol.124 
Number (no) no.404 
Page pp.134-139 
#Pages 6 
Date of Issue 2025-02-26 (CQ) 

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